Firebase Auth-用户在Firebase注册并重定向后未登录

Question

createAccount() {
  firebaseAuth().createUserWithEmailAndPassword(this.state.email, this.state.password).then((user) => {
    // write some data to database
    firebase.database().ref().child('users').child(user.uid).child('someKey').set(this.state.email).then(function() {
      // send email verification
      user.sendEmailVerification().then(function() {
        console.log("sent email verification");
        // Go to home page
        this.props.history.push('/home');
      }.bind(this)).catch(function(error) {
        console.log("Error: account created but no verification email sent.");
      }.bind(this));
    }.bind(this)).catch((error) => {
      console.log('Error: while writing to database');
    });
  // catch any error while creating user
  }).catch((error) => {
    console.log('Error: while creating account');
  });
}

componentDidMount() {
  firebase.auth().onAuthStateChanged(function (user) {
    if (!user) {
      console.log("no user logged in");  
      this.props.history.replace('/login'); // ISSUE: Always redirected to login, even after signup and login
      return
    } else {
      console.log("Woo! User is logged in!");
    }
  }.bind(this))
}

null

下面是我如何初始化我的应用程序：

<!-- Firebase -->
<script src="https://www.gstatic.com/firebasejs/4.0.0/firebase.js"></script>
<script>
  // Initialize Firebase
  var config = {
    apiKey: "XXXXXXXXX",
    authDomain: "myproject.firebaseapp.com",
    databaseURL: "https://myproject.firebaseio.com",
    projectId: "XXXXXXXXX",
    storageBucket: "XXXXXXXXX.appspot.com",
    messagingSenderId: "XXXXXXXXX"
  };
  firebase.initializeApp(config);
</script>

值得注意的是：如果我用一个不是刚刚创建的帐户登录（或者如果我等待一段时间然后登录到我创建的帐户），在重定向时保留授权似乎没有问题。似乎只有当我创建一个新用户然后重定向时，它才会丢失登录的用户。

Answer 1

state = { user: null };

componentDidMount() {
   firebase.auth().onAuthStateChanged(user => {
      if (user) {
        this.setState({ user });
      } else {
        this.props.history.push('/login');
      }
   });
 }

login() {
    firebase
      .auth()
      .signInWithEmailAndPassword(this.state.email, this.state.password)
      .then(res => {
        this.props.history.push('/');
      })
      .catch(err => console.error(error));
  }